From June 2 to 4, SIIS President Chen Dongxiao participates in the 28^th Asia-Pacific Roundtable which is held in Kuala Lumpur. Prof. Chen delivers a keynote speech on New Model of Major Country Relationship between China and US at the roundtable. The Asia-Pacific Roundtable is a renowned second-track roundtable conference sponsored by ASEAN-ISIS annually. Around 400 participants from major think-tanks of Asia-Pacific region and media journalists attend the roundtable and have a deep discussion on ten agendas including political, economic and security issues in the region, major country relationship and the development of ASEAN.